Add styles for shorter code

See merge request !13612

Move ConvDev Index location to after Cohorts

Closes #34413

See merge request !13398

Update rubocop-gitlab-security to 0.1.0

See merge request !13879

Update and fix resolvable note icons for easier recognition

Closes #36582

See merge request !13821

Update templates to include header in the README

Closes #36904

See merge request !13785

[ci skip]

Fix a transient failure in mini_pipeline_graph_spec

Closes #34323

See merge request !13844

Add filtered search to group merge requests dashboard

Closes #36703

See merge request !13688

Add spec for deleting protected tags

See merge request !13693

Fix events error importing GitLab projects

Closes #36965

See merge request !13868

This spec failed reliably with a specific run order (see issue), the
reasons for which are still unknown. This simplification resolves the
failure.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/34323

Improve flaky ACE editor spec

See merge request !13854

fix transient dropdown test failures

Closes #37052 and #34436

See merge request !13862

Instrument MergeRequest#ensure_ref_fetched

See merge request !13876

Reenable MySQL tests on all CE and EE branches part 2

Closes #36384

See merge request !13840

Don't wait for project authorization sidekiq jobs when creating projects

Closes #36792

See merge request !13775

Combine multiple expectations into one for shared system note example

See merge request !13814

Clear schema cache after running tests for migrations

Closes #37086

See merge request !13870

Remove skipped examples in filtered issues feature spec

See merge request !13845

Make sure we have an owner for triggers

Closes #35642

See merge request !13799

Simplify system hook testing and guarantee test will fire

Closes #37067

See merge request !13858

Bugfix.notify custom participants

Closes #36610

See merge request !13680

Update 'Using Docker images' documentation

Closes gitlab-ci-multi-runner#2696

See merge request !13848